Home / 14,242.26-19,653.30-7,868.78

Finding the Fourth Proportional to 14,242.26, 19,653.30 and 7,868.78

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Solution

The fourth proportional to 14,242.26, 19,653.30 and 7,868.78 is: 10,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.26 : 19,653.30 = 7,868.78 : x
  2. Step 2: Convert to fraction form
    14,242.26/19,653.30 = 7,868.78/x
  3. Step 3: Cross multiply
    14,242.26x = 19,653.30 × 7,868.78
  4. Step 4: Simplify right side
    14,242.26x = 154,647,494.30
  5. Step 5: Solve for x
    x = 154,647,494.30/14,242.26
  6. Step 6: Final answer
    x = 10,858.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.